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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 3348Generated: October 28, 2026

Chlorine → 1-([1,1'-biphenyl]-4-ylmethyl)-4-hydroxy-2-methyl-1H-indole

https://huagongshe.com/reaction/3348

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantBoron tribromideHCID 25134—
ReactantHCID 10806128HCID 10806128—
Product1-([1,1'-biphenyl]-4-ylmethyl)-4-hydroxy-2-methyl-1H-indoleHCID 1049540977.4%

Reaction Steps

By the method used in Example 1, Part D, 1.3 g (4.0 mmol) of 1-([1,1'-biphenyl]-4-ylmethyl)-4-methoxy-2-methyl-1H-indole was O-demethylated by treating it with 16 mL of 1M BBr3 /CH2 Cl2 to give 970 mg (77% yield) of crude 1-([1,1'-biphenyl]-4-ylmethyl)-4-hydroxy-2-methyl-1H-indole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05733923
Source datasetuspto-grants-1998_03
ORD IDord-a59e6c8dd5fb48dda0e37c75c7c2b042
Source noteuspto-grants-1998_03